Chequered Cuboid
A large cuboid is made from cubes of equal size. What fraction of the surface area of the large cuboid is black?
A large cuboid is made from cubes of equal size. What fraction of the surface area of the large cuboid is black?
The diagram shows a shaded shape bounded by circular arcs. What is the difference in area betweeen this and the equilateral triangle shown?
Weekly Problem 37 - 2014
Which of the five diagrams below could be drawn without taking the pen off the page and without drawing along a line already drawn?
Weekly Problem 16 - 2016
How many three digit numbers have the property that the middle digit is the mean of the other two digits?
A blue cube has blue cubes glued on all of its faces. Yellow cubes are then glued onto all the visible blue facces. How many yellow cubes are needed?
Timmy, Tammy and Tommy all go to the doctors. In what order do they arrive at the surgery?
This task, written for the National Young Mathematicians' Award 2016, invites you to explore the different combinations of scores that you might get on these dart boards.